CAIE IGCSE Chemistry 8.4.2 Transition elements as having ions
Practise using formulae and ion charges to recognise variable oxidation numbers in transition elements such as copper and iron.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- compare pairs of compounds to find the metal shown in two oxidation states
8.4.2—Transition elements as having ions question 1
[Maximum number: 1]
Some elements are shown in the order they appear in the reactivity series. The most reactive element is at the top.
> sodium calcium magnesium aluminium zinc iron hydrogen copper
Answer the questions using the list of elements. Each element may be used once, more than once or not at all.
Identify:
a metal that forms chlorides of the type XCl2 and XCl3.
iron
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